Apex domains cannot have CNAME records.
Question and response
Question
dig compass-analytics.com. NS
Answer
compass-analytics.com. 4 NS ns-1119.awsdns-11.org.
compass-analytics.com. 4 NS ns-1962.awsdns-53.co.uk.
compass-analytics.com. 4 NS ns-108.awsdns-13.com.
compass-analytics.com. 4 NS ns-780.awsdns-33.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0